<template>
    <div class="header">
        <van-icon name="arrow-left" class="icon" @click="toBack" />
        <div>{{title}}</div>
        <div class="edit" v-if="edit" @click="handleEdit">
        {{ store.state.edit ? "编辑" : "完成" }}
        </div>
    </div>
</template>
<script>
import { useRouter} from 'vue-router';
import { Toast } from 'vant';
import { useStore } from 'vuex';
export default{
    props:["title","edit"],
    setup(){
     const router = useRouter()
     const store = useStore();
     const toBack = () =>{
      router.back();
     };
     const handleEdit = () =>{
      if(store.state.cartList.length){
        store.commit("edit")
        store.commit('changDelete')
      }else{
        Toast.fail('请添加商品到购物车')
      }
     }
     return{
      toBack,
      handleEdit,
      store,
     }
    },
};
</script>
<style lang="less" scoped>
.header {
    background-color: #fff;
    height: 40px;
    font-size: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid #d7d7d7;
    .edit {
      font-size: 16px;
      position: absolute;
      right: 15px;
      font-weight: normal;
    }
    .icon {
      position: absolute;
      left: 10px;
    }
  }
</style>